mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-11-23 05:57:57 +01:00
257 lines
5.9 KiB
HTML
Executable File
257 lines
5.9 KiB
HTML
Executable File
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>three.js - kinect</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<style>
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body {
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font-family: Monospace;
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background-color: #000000;
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margin: 0px;
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overflow: hidden;
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}
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#info {
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color: #ffffff;
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font-family: Monospace;
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font-size: 13px;
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text-align: center;
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font-weight: bold;
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position: absolute;
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top: 5px; width: 100%;
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}
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a {
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color: #0040ff;
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}
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</style>
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</head>
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<body>
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<script src="../build/three.min.js"></script>
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<script src='js/libs/dat.gui.min.js'></script>
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<script src="js/Detector.js"></script>
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<script src="js/libs/stats.min.js"></script>
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<script id="vs" type="x-shader/x-vertex">
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uniform sampler2D map;
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uniform float width;
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uniform float height;
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uniform float nearClipping, farClipping;
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uniform float pointSize;
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uniform float zOffset;
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varying vec2 vUv;
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const float XtoZ = 1.11146; // tan( 1.0144686 / 2.0 ) * 2.0;
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const float YtoZ = 0.83359; // tan( 0.7898090 / 2.0 ) * 2.0;
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void main() {
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vUv = vec2( position.x / width, position.y / height );
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vec4 color = texture2D( map, vUv );
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float depth = ( color.r + color.g + color.b ) / 3.0;
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// Projection code by @kcmic
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float z = ( 1.0 - depth ) * (farClipping - nearClipping) + nearClipping;
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vec4 pos = vec4(
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( position.x / width - 0.5 ) * z * XtoZ,
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( position.y / height - 0.5 ) * z * YtoZ,
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- z + zOffset,
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1.0);
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gl_PointSize = pointSize;
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gl_Position = projectionMatrix * modelViewMatrix * pos;
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}
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</script>
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<script id="fs" type="x-shader/x-fragment">
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uniform sampler2D map;
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varying vec2 vUv;
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void main() {
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vec4 color = texture2D( map, vUv );
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gl_FragColor = vec4( color.r, color.g, color.b, 0.2 );
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}
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</script>
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<script>
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var container;
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var scene, camera, light, renderer;
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var geometry, cube, mesh, material;
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var mouse, center;
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var stats;
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var video, texture;
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if ( Detector.webgl ) {
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init();
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animate();
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} else {
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document.body.appendChild( Detector.getWebGLErrorMessage() );
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}
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function init() {
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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var info = document.createElement( 'div' );
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info.id = 'info';
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info.innerHTML = '<a href="http://threejs.org" target="_blank">three.js</a> - kinect';
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document.body.appendChild( info );
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stats = new Stats();
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stats.domElement.style.position = 'absolute';
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stats.domElement.style.top = '0px';
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// container.appendChild( stats.domElement );
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camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 10000 );
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camera.position.set( 0, 0, 500 );
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scene = new THREE.Scene();
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center = new THREE.Vector3();
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center.z = - 1000;
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video = document.createElement( 'video' );
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video.addEventListener( 'loadedmetadata', function ( event ) {
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texture = new THREE.VideoTexture( video );
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texture.minFilter = THREE.NearestFilter;
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var width = 640, height = 480;
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var nearClipping = 850, farClipping = 4000;
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geometry = new THREE.BufferGeometry();
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var vertices = new Float32Array( width * height * 3 );
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for ( var i = 0, j = 0, l = vertices.length; i < l; i += 3, j ++ ) {
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vertices[ i ] = j % width;
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vertices[ i + 1 ] = Math.floor( j / width );
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}
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geometry.addAttribute( 'position', new THREE.BufferAttribute( vertices, 3 ) );
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material = new THREE.ShaderMaterial( {
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uniforms: {
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"map": { type: "t", value: texture },
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"width": { type: "f", value: width },
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"height": { type: "f", value: height },
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"nearClipping": { type: "f", value: nearClipping },
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"farClipping": { type: "f", value: farClipping },
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"pointSize": { type: "f", value: 2 },
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"zOffset": { type: "f", value: 1000 }
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},
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vertexShader: document.getElementById( 'vs' ).textContent,
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fragmentShader: document.getElementById( 'fs' ).textContent,
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blending: THREE.AdditiveBlending,
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depthTest: false, depthWrite: false,
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transparent: true
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} );
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mesh = new THREE.PointCloud( geometry, material );
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scene.add( mesh );
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var gui = new dat.GUI();
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gui.add( material.uniforms.nearClipping, 'value', 1, 10000, 1.0 ).name( 'nearClipping' );
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gui.add( material.uniforms.farClipping, 'value', 1, 10000, 1.0 ).name( 'farClipping' );
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gui.add( material.uniforms.pointSize, 'value', 1, 10, 1.0 ).name( 'pointSize' );
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gui.add( material.uniforms.zOffset, 'value', 0, 4000, 1.0 ).name( 'zOffset' );
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gui.close();
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}, false );
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video.loop = true;
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video.src = 'textures/kinect.webm';
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video.play();
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renderer = new THREE.WebGLRenderer();
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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container.appendChild( renderer.domElement );
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mouse = new THREE.Vector3( 0, 0, 1 );
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document.addEventListener( 'mousemove', onDocumentMouseMove, false );
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//
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window.addEventListener( 'resize', onWindowResize, false );
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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function onDocumentMouseMove( event ) {
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mouse.x = ( event.clientX - window.innerWidth / 2 ) * 8;
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mouse.y = ( event.clientY - window.innerHeight / 2 ) * 8;
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}
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function animate() {
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requestAnimationFrame( animate );
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render();
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stats.update();
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}
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function render() {
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camera.position.x += ( mouse.x - camera.position.x ) * 0.05;
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camera.position.y += ( - mouse.y - camera.position.y ) * 0.05;
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camera.lookAt( center );
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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